The Tamiya Mini 4WD is one of the most popular creations produced by Tamiya, a Japanese company, in the early 1980s. Tamiya manufactures radio-controlled cars, plastic model kits, sailboat models, solar- and battery-education models and other modeling supplies and tools. The Tamiya Mini 4WD is a miniature car model that has become popular not just for young kids, but for adults as well.